Spring support



Jan. 17, 1928. 1,656,166

s. P. BUSH SPRING SUPPORT Filed Sept. 28. 1925 2 Sheets-Sheet l dirait imatented dan, W, 1928.

n STATE s PATENT carica.

" "WEL MMHUTI? BUSH, 0F COLUMBUS, 0R10, ASBIGNOIR T0 THE MUCKEYE TEEih nannte-ee company,

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npplioatien tiled September nti, Itat., aerial ne. taint..

iihie invention reiatea to car trucha oi? the iionr-wheei type and has epeciai rei-arance to the means tor-supporting the springs., in trucha oi this type, the load ie carried on the boieter center bearing and transmitted to the trncir springe which are supported by aide drames, said tramesin turn resting directiy on the aide journais. ,According to the ueuai practice, the springs hare been arranged in rectangniar 'reiation which necessitated a seat oi considerabie extent so that nneduai deformations oi the springs at opposite sides ot a group or nest ot eprings waa caused by tracht irreguiarities, and the iarger theA spread oit the spring bearin,nl enriiace the greater was the disturbance or the eduaiination oi ioad on the tour i jonrnaie et the trucir. ihe width ot the end et a trueir boieter ie proportionate to the width ot the group @t springe upon which rente, and, et course, the wider the apring anp the more wiii the egnaiination ot fion aai ioada be dietnrbed lby-nneyen tracir eonnitione, disturbance being detrimen- P 'ai te the (iournais and journai bearinge and aieo to etrength et the eide trames, it being ebrio-ue that any disturbance oi the ioad symmetry iongitndinaiiy et the tracir tende to oyerioad that end oit' the traine which eieyated reiatire t@ the other end. yifhe etrength and iit'e ci the springe 'are aiso atiected adyerseiy by the disturbance oit the ioadn 'Whiie the tendency oit the boister neat ie to remain in a horiaontai piane, notwithstanding tracir irreguiaritiee, the epring neat on the trarne, according to preraiiing constructions, wiiiremain in a horiaontai piane oniy under pertect tracir conditionn ibow raii-j ointe throw the trame enring out ont paraiieiiem with the boispring neat, canning an unerpuai dietribntion o'ii ioad orer the epringe eo that the preaeure ie inateriaiiy increased aiong one edge the spring group and breairage epringe breguentiy reenite., The object ot present invention ie to oyerooine the mentioned disadrantagee accruing trom the nanai type et epring arrangement, and it con incertain novei iieatureel ot construction and arrangement whieh wiii be hereinatter deecrihed and then more particuiariy pointed out in the-a pended ciaime.. f in the annered drawinge, Figure i ie a yv ;dan riew oit a portion 'ot a car truch, ehew one embodiment @it nay-intention; t

. i', and the end oir" the Viignre 2 ie a side View ot the naine; Figure Zi ia a centrai transverse section; Figure i ie a verticai section taken iongitudinaiiy of the spring pianh showing a Second embodiment et the invention;`

Figure 5 is a section on the iine 5-5 ot big. d;

litigare 6 ie a View eimiiar to-iig. i showiner a third embodiment oi? the invention, and k Figures i and ti eiiow diiderent forme et eye.,

The side' trarne i is constructed at ite ende to receive the journais, as indicated at 2, and at its center has an opening d to reeeire the end ot the hoister t and the springs 5 upon which the end lot' the boieter reste. in the bottom 6 oi: the eide trame ie formed a pociret epring pianh ti ie turned down, ae atb, to iit enugiy in the pociret, the pianir, oit course, extending between and connecting the two eide trames edI the trucir. iihe epringe reet upon a ep ng i@ which. entende through the iower portion ot the opening d in the eide brame and over the pocket i? with one end iitting between the eide iianges ii et the 8. 'ibo impart etiiineee and strength to the epring seat, it in provided with eide iiangee 19t which tit t'reeiy between the dangerJ ii et the epring pianir' which epi-ing pianir l titi lra

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iatter biangee terminate attire eide trame and v dt cioeeiy between the inge or tiangee i3 on the eide trannie. it wiii be readiiy noted that there ie a concentration ed stress on the bend at the end ot the Spring pianir when one eide oit the truei: ie heid baci; ot the other eide, ae 'when rounding a eurye, and the bad edecta oi thin Stresa is minimired by the interhtting engagement oit the iiangee.

v The weight ot the springe ie, oi" couree, carried by the epring eeat i0* which, by er tending orer the end oit the pianir, huida the pianh hrmijy in piace. idy reterrin t@ Figure i, it wiii be noted that the springe are not arranged in rectangniar reiation but are staggered and in paraiiei iinee or rowa so that a spring in one row or iine partiy entere between two apringe in the adjacent row orv iine. 'ihia arrangement permite the use ot a iarger ninnber ott Springe oi emaiier diameter than heretoi'ore and bringe the springe into a narrower space, and the narrow seat ie' adrantageona in renard te both the iite et the npringn and t e e eng-nh et the trame, hantritt.a

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n before e Whenl the spring-group is reduc in width it must be made longer in order to provide equivalent or greater capacity. As a loaded car sways from side to side over uneven track, there'is a continual shearingdi'splacement set up between the bolster spring seat and the frame spring seat,and this shear is transmitted throui the spring groups vand introduces in t e prings stresses for which they were not esigned in addition to those-for which they were designed. The stresses are efectually met by the increased length of the spring groupl with an increased number of sprlngs whic add 'strength in the favorable direction and prolong the life of the springs. With the increasedlength of the spring oup, however, there is an unequal istriution of pressure upon the opposite ends of the group when the bolster is tilted under a heavy side bearin load or blow. To overcome this inequa 1t I provide equalizing means conslsting of a rib or rocker 14 on the under side ofthe spring a transverse concavity 15 rest' vex saddle 16 in the pocket. mayy be. on the end of the directly on the iioor of the pocket and constitutes -a fulcrum or support about which the angularity of the bolster will freely accommodate itself.

At th'e\top of the central oplenin 3 in the side frame, in each side t ereo isa e saddle groove or `reentrantrecess 17 which mit the frame to be' passed over the en of passi p recesses orgrooves, and thebolster then being. lowered to rest upon the springs. frame over the bolster is arrested 'by contact with the lugs 19 on the bolster, and L-shaped keys. 20 4are then fitted between the projection or lug 18and the outer side the foot of each ke en aging' a groove or'recess 21 in the under sid or spring seat of the' `bolster and held a I contact with .the springs and bythe lugs 22 at the inner ends ofthe keys enga gin provided therefor in the un er side 20 shbolster. Instead.l of the Ll-shphd Ped v ownmF1gure-,a singe a ke 40, Ashown in Figure 8, could be used. iof `single key., there would not have tofbeithe reeessfor the lug22 or dtho'f bolster. `Withrboth of the'key or ke are bellcistheyare held'or f L P'.n placefprimarilgby the bythe r a in seat at the vcenter thereof, fitting within the pocket '7 and formedyin its lower face withon a con spring plank or- -seat member formed with a depresse the bolster, thoprojections 18 n the bolster throug said The movement 'of the of the frame tolock the frame to the bolster,

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holeiii thegbottomof the bolder-ferite' but the a groove 21 wouldfextend frame has been wider in its vlower portion than in its upper portion to rmit it to ass over the outside column ugs of the lster which construction required a relatively longer` s ring seat member on thc frame. The re atively shorter length permitted'by the construction herein set forth adds materially to the strength of the device. L In 4the form ofthe invention shown in Figs. 4 and 5 the saddle, 23, rests on ribs 24, formed 'on the'iloor or bottom of the pocket in the side frame, and rises through an opening 25 in the spring plank 26 which extends through the opening in the side frame. The slde walls of the spring seat opening in the side frame are offset, as at 2 to accommodate the side ian es 261L of the spring plank,fand the sad e is provided at each endl with a lip 28 which overhangs and rests upon the bottom web of the springlank at the side of the opening y25. T e sprin are carried by aspring seat 29 whic is provided on its underside with a rocker 3 0 bearing upon the saddle as in the first described form. In the form ofthe invention shown in Figures 4 and 5,) the spring plank is a continuous channel member, with the exception of the opening 25, and thusl avoids concentration of the corner stresses. The lip 28, bear- 1ng upon the floor of the spring plank, serves to anchor the spring plank by reason of the superposed weight.

e' In' Figure 6, the side frame has its s rin we 31 extendin across the pocket or bottom channel-of t e frame,and the spring plank 32 has a depressed portion 33 seating in said depressed .web and furnishing a seat or saddle for the convex rocker 34 on the under side of the spring seat or carrier 35.' This arrangement simplifies ,the construction of the spring lank'and omits the separate saddles use in the first described forms.l

Having fully described my invention what I claim as new and desire to secure by Letters-Patent, is

1. In a car truck, the combination of a side frame, a bolster, a spring plank 115 with; the side frame, a; spring seat supported by the bottom membenvof the sidoframe for Atransverse rocking movement, and a plurality of springs carried the spring seat ing arranged in arallel rows and in staggered relation with t e springs in one row partly vbetween springs in an adjacent row.

a car truck, the combination of al side frame having a bolster-receiving o ing therethrough, aspring seat through the lower portion of the o :uw tha u '.n I; .0 the side'frame, a bolfl'` `lllving itaend axl tending through the upper portion of the side :trame whereb7 lil on the being entirely free of the lster, and interengaging means on the under side ofv the spring seat and the bottom member of the the spring seat may rock transversely o the side frame.-

3. In a car truck, the combination of a side traine, a saddle thereon, a spring seat having oa concave recess on its under side resting on the saddle, a group of springs resting on the springl seat, and a olster having its end supported by the springs.

4. In a car truck, the combination of a side frame havingan opening therethroughl to receive an end of ,a bolster and provided with 'a longitudinally extending cket in the bottom of said opening, a sad e in said pocket, a spring seat extending through the opening in the side frame and on its under side with a concave r1 tting in the pocket and resting on the saddle, a' group of springs resting on the spring seat,

and a bolster having its end inserted through the opening in the side frame and resting on the springs. i

li.. In a -car truck, the combination of a side frame having an opening therethrough to receive a bolster and havingl pocket 1n the bottom of said openin a s rin plank -having its end downturne and tte 1n the y pocket, a spring seat bridgingl the pocket l and bearing on the end portion ofthe spring plank, a group of'spings carried by the spring seat, and a lster having its end extending through the opening in the side frame and resting on the s rings.

6. In a car truck, the combination of a side frame having an opening therethrough to receive a bolster, a spring plank having 'its end engaged in the bottom df said opening and provided with side flan s terminating against the inner side o the side frame, a spring seat extending through` rovided the openin in the side frame and provided with side anges, the end of the seat fitting closely between the flanges on the spring plank, lugs on the side frame fitting against the outer sides of the flanges on the spring plank, a grou of sprin s resting on the spring seat, an a bolster aving its end ex tending through the opening in the side frame and resting onthe springs.

7. In a car truck, the combination of a side frame having a bo1ster-receiving opening, a spring plank rovided` with upstand ing side anges and aving its end engaged in the lower portion of the bolster-receiving opening, a spring seat extending throng the opening above vthe s ring plank and havin upstanding side anges, the inner end ot the spring seat fitting between the side anges of the spring plank, springs carried-by the spring seat, a bolster-havin its end engaged through the opening an resting on the springs, and means whereby the :spring lseat may rock transversely of the side frame. 'l f 8. In a car truck, the combination of a side frame, al spring plank restin in the side frame, and a sprin carrier a ove the spring plank and provi ed on its underside with a rocker.

9. In a car truck, the combination of a side frame, a spring plankV carried thereby,

a spring carrier sup orted by the bottom member of the side ralneand ada ted to rock transversely of the rame, an means whereby the frame, the ring plank and the sprlng carrier are inter ocked 1n normal relation. y Y

10. In a car truck, the combination of a side frame, a spring plank interlocked with the side frame, and a s ring carrier engaged with the lank and a apted to rock transversely o the frame.

In testimony whereof, I have signed this specification.

SAMUEL rnnsoorr BUSH. 

